120667187 has 2 divisors, whose sum is σ = 120667188. Its totient is φ = 120667186.

The previous prime is 120667171. The next prime is 120667219. The reversal of 120667187 is 781766021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120667187 - 2⁴ = 120667171 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120667187.

It is not a weakly prime, because it can be changed into another prime (120667117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60333593 + 60333594.

It is an arithmetic number, because the mean of its divisors is an integer number (60333594).

Almost surely, 2^120667187 is an apocalyptic number.

120667187 is a deficient number, since it is larger than the sum of its proper divisors (1).

120667187 is an equidigital number, since it uses as much as digits as its factorization.

120667187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 120667187 is about 10984.8617196576. The cubic root of 120667187 is about 494.1548507321.

The spelling of 120667187 in words is "one hundred twenty million, six hundred sixty-seven thousand, one hundred eighty-seven".